Literary usage of Sheathes

Below you will find example usage of this term as found in modern and/or classical literature:

1.A Treatise on diseases of the joints by Richard Barwell (1861)"Tendinous sheathes.—Many of the tendons, chiefly those of the hand and foot, are
surrounded by so called sheathes, consisting internally of a fine synovial ..."

2.Harper's Cyclopaedia of British and American Poetry edited by Epes Sargent (1882)"... The chiefs eye flashed ; but presently Softened itself, as sheathes A film
the mother-eagle's eyo When her bruised eaglet breathes : "You're wounded! ..."